The load on a 120-V, 60 Hz supply is 5KW (resistive), 8 KVAR (inductive), and 2 KVAR (capacitive). Find the following: a) total kilovolt-amperes, b)power factor of the combined loads, c) current drawn from the supply, d) capacitance needed to establish unity power factor, e) capacitive reactance needed to establish unity power factor, f) the current drawn from the supply at unity p.f.
The load on a 120-V, 60 Hz supply is 5KW (resistive), 8 KVAR (inductive), and 2 KVAR (capacitive). Find the following: a) total kilovolt-amperes, b)power factor of the combined loads, c) current drawn from the supply, d) capacitance needed to establish unity power factor, e) capacitive reactance needed to establish unity power factor, f) the current drawn from the supply at unity p.f.
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter2: Fundamentals
Section: Chapter Questions
Problem 2.48P
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The load on a 120-V, 60 Hz supply is 5KW (resistive), 8 KVAR (inductive), and 2 KVAR (capacitive).
Find the following:
a) total kilovolt-amperes,
b)power factor of the combined loads,
c) current drawn from the supply,
d) capacitance needed to establish unity power factor,
e) capacitive reactance needed to establish unity power factor,
f) the current drawn from the supply at unity p.f.
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